Polyvinyl Butyral (PVB) Resin

Volatile content <=2.0 Non volatile content >=98.0 PVB Standard Grades Butyral content 76-85 Acetate content <=3.0 Hydroxy content 12-17 CD-16* CD-20 CD-30 CD-60 Viscosity 40-45 ** Free acid <=0.5 Volatile content Wt-% ≤2.0 ≤2.0 ≤2.0 ≤2.0

Non volatile content Wt-% ≥98.0 ≥98.0 ≥98.0 ≥98.0

Butyral content Wt-% 76-85 76-85 76-85 76-85

Acetate content Wt-% ≤3.0 ≤3.0 ≤3.0 ≤3.0

Hydroxy content Wt-% 12-17 12-17 12-17 12-17

10% viscosity** mPa·s 9-14 14-20 25-40 120-200

Free acid mg KOH/g ≤0.5 ≤0.5 ≤0.5 ≤0.5

* grade under development; provisional parameters * * 10% solution in Ethanol at 25°C; Brookfield

Recommended uses: • Printing Inks • Coatings: anticorrosive/shop primer, wash primer, baked enamel, traffic (reflective) coatings, wood (sealing) coatings • Nail varnish • Wood (sealing) coatings • Whiteboard inks • Textile printing and non-woven • Ceramics temporary binder • Prepregs and composites

Product appearance: tiny, free-flowing white powder.

PVB resin meets the following regulations regarding food con- tact plastic material:

1. REGULATION (EC) No 1935/2004 – Article 3.1 2. COMMISSION REGULATION (EU) No 10/2011 on plastic materials and articles intended to come into contact with food 3. The United States food and drug administration’s 21 CFR § 175.105 adhesive, 21 CFR § 175.300 resin and polymer coating, 21 CFR § 176.170 components of paper and paperboard in contact with aqueous and fatty foods

01/02 Polyvinyl Butyral (PVB) Resin

Characteristics: Solvent selection: • Very good adhesion: polyolefins, metals, polyester, cellu- Methyl alcohol √ lose acetate, polyamid, polystyrene, … • Compatible with: nitrocellulose, alkyd resin, polyester resin, Ethyl alcohol √ acetone condensation resin, other polymers Propyl alcohol √ • Good water resistance Butyl alcohol √ • Good solubility in organic solvents Alcohol • Excellent optical properties Isobutyl alcohol √ • Good wettability and pigment dispersion Diacetone alcohol √ Ketone √ Basic processing hints: Benzyl alcohol √ • Suggested material input: 18-30% for CD-16; 15-20% for Dipropylene Glycol √ CD-20; 10-15% for CD-30; 5-15% for CD-60 butyl ether Ether • Dissolve under normal temperature (25° C), 1,2-Propylene Glycol √ the dissolution time is about 30 minutes 1-Monomethyl Ether Ethyl acetate √ Storage: Under dry and cool (25° C or less) condition, the prod- Methyl ethyl ketone √ uct can be stored for at least 12 months if sealed in original packaging. Lipid 3-Methoxybutyl acetate √ DBE DIBASIC ESTER √ Preventive measures: during the operation process of dissolv- ing, take appropriate safety measures, and prevent electrostatic. Butyl glycolate Acetone √ Waste disposal: (see MSDS) Butanone √ Industrial Safety and Environmental Protection: (see MSDS) Ketone Methyl ethyl ketone √ MIBK √ Cyclohexanone √

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